Chassis M6A/1 was the M6 prototype and subsequently served as Bruce McLaren's personal racing car. Compared to the subsequent M6A and M6B chassis, the prototype featured a 4-inch shorter wheelbase. McLaren raced the car to two victories and clinched his first title, beating >>>

After serving as the spare works tub in the 1967 season, the un-raced M6A/3 was sold to Penske Racing Enterprises for the 1968 season as a replacement for his Lola T70s. Equipped with a big block V8 engine, it was driven to victory in the Bridgehampton Can-Am race by Marc Do>>>